71498005019 has 16 divisors (see below), whose sum is σ = 82924378560. Its totient is φ = 60379630080.

The previous prime is 71498005013. The next prime is 71498005049. The reversal of 71498005019 is 91050089417.

It is not a de Polignac number, because 71498005019 - 2²⁴ = 71481227803 is a prime.

It is a super-2 number, since 2×71498005019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71498005013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29144 + ... + 379269.

It is an arithmetic number, because the mean of its divisors is an integer number (5182773660).

Almost surely, 2^71498005019 is an apocalyptic number.

71498005019 is a deficient number, since it is larger than the sum of its proper divisors (11426373541).

71498005019 is a wasteful number, since it uses less digits than its factorization.

71498005019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408790.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 71498005019 in words is "seventy-one billion, four hundred ninety-eight million, five thousand, nineteen".